Monthly Historical AveragesPortland, OR
Average Temperature
High
20°
Feels 20
Low
9°
Feels 8
Average Precipitation
12 Days
80.6mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, May 31, 2026
Day
21°Feels 21
Wind
19 km/h N
Gust
29 km/h
Humidity
33%
P.O.P
10%
Night
8°Feels 7
Wind
19 km/h NW
Gust
29 km/h
Humidity
81%
P.O.P
0%
Historical AveragesMay 31
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity